SY20731DSC - Super Low Dropout 1A LDO Regulator


  • Input Voltage Range: 1.6-5.5V
  • Output Voltage Accuracy: ±3%
  • Up to 1A Output Current
  • Low Dropout Voltage:

Typ. 0.32V at IOUT=1A, VOUT=1.5V

Typ. 0.18V at IOUT=1A, VOUT=2.8V  

  • Current Limiting Protection
  • Thermal Shutdown Protection
  • Quiescent Current: 60μA
  • Output Auto-discharge Function
  • Over Temperature Protection
  • RoHS Compliant and Halogen Free
  • Compact Package: DFN3×3-6

Typical Application


The SY20731 is a super low dropout LDO regulator with small package, capable of delivering up to 1A output current.


  • Portable Communication Equipments
  • Hand-Held Instruments, Notebook PC
  • Camcorders and Cameras